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http://issues.apache.org/bugzilla/show_bug.cgi?id=44157

           Summary: InterruptedIOException ignored by log4j
           Product: Log4j
           Version: 1.2
          Platform: Other
        OS/Version: other
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Appender
        AssignedTo: [email protected]
        ReportedBy: [EMAIL PROTECTED]


log4j catches and ignores InterruptedIOException's, causing code that uses 
log4j to freeze under 
certain conditions.

When the exception InterruptedException is caught, special care must be taken. 
If InterruptedException 
is caught and ignored, and the thread does not exit, other code that 
interrupted that thread will not 
function correctly.

The same is true of InterruptedIOException (which derives from IOException). 
This can be thrown from 
any java.nio blocking method, or can be thrown from java.io methods on Solaris. 
An 
InterruptedIOException must be treated the same as an InterruptedException; 
either the exception 
should be allowed to continue up the call stack, or something special must be 
done.

One example of something special is to call the following:

Thread.currentThread().interrupt();

I propose that everywhere in log4j that IOException is caught, a special catch 
of InterruptedIOException 
is done and Thread.

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